Patents by Inventor Yoshimi Yusa

Yoshimi Yusa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Percutaneous absorption-type pharmaceutical preparations
    Patent number: 8506992
    Abstract: A percutaneous absorption-type pharmaceutical preparation containing a sublimation drug is provided, where from a plaster layer, a drug is released as volatile substance with a lapse of time, but the released drug has no adverse effect on the handling of the preparation, and the quality of the preparation is maintained in storage over a long period of time. A percutaneous absorption-type pharmaceutical preparation, which comprises: a support comprising a plastic film and a nonwoven fabric; and a plaster layer containing a sublimation drug, wherein the plastic film and the nonwoven fabric are laminated with an adhesive having a glass transition temperature of 10° C. or higher, and the plaster layer is laminated on opposite side of the plastic film surface that the nonwoven fabric is laminated with.
    Type: Grant
    Filed: September 5, 2006
    Date of Patent: August 13, 2013
    Assignee: Nitto Denko Corporation
    Inventors: Yoshimi Yusa, Keiji Yamamoto, Tooru Kawashima
  • Percutaneous absorption-type pharmaceutical preparations
    Publication number: 20070053967
    Abstract: A percutaneous absorption-type pharmaceutical preparation containing a sublimation drug is provided, where from a plaster layer, a drug is released as volatile substance with a lapse of time, but the released drug has no adverse effect on the handling of the preparation, and the quality of the preparation is maintained in storage over a long period of time. A percutaneous absorption-type pharmaceutical preparation, which comprises: a support comprising a plastic film and a nonwoven fabric; and a plaster layer containing a sublimation drug, wherein the plastic film and the nonwoven fabric are laminated with an adhesive having a glass transition temperature of 10° C. or higher, and the plaster layer is laminated on opposite side of the plastic film surface that the nonwoven fabric is laminated with.
    Type: Application
    Filed: September 5, 2006
    Publication date: March 8, 2007
    Inventors: Yoshimi Yusa, Keiji Yamamoto, Tooru Kawashima